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CVE-2021-29662

Good to know:

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Date: March 31, 2021

The Data::Validate::IP module through 0.29 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) allows attackers to bypass access control that is based on IP addresses.

Language: Perl

Severity Score

Related Resources (10)

https://people.canonical.com/~ubuntu-security/cve/CVE-2021-29662
https://nvd.nist.gov/vuln/detail/CVE-2021-29662
https://github.com/houseabsolute/Data-Validate-IP
https://blog.urth.org/2021/03/29/security-issues-in-perl-ip-address-distros/
https://security-tracker.debian.org/tracker/CVE-2021-29662
https://security.netapp.com/advisory/ntap-20210604-0002/
https://sick.codes/sick-2021-018/
https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-018.md
https://github.com/houseabsolute/Data-Validate-IP/commit/3bba13c819d616514a75e089badd75002fd4f14e
https://www.mend.io/vulnerability-database/CVE-2021-29662

Severity Score

Weakness Type (CWE)

Incorrect Type Conversion or Cast

CWE-704

Incorrect Authorization

CWE-863

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): HIGH
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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